361° Men's Backpack Large Capacity Casual Water-Resistant Commuter Lightweight Sports Bag for Middle School, High School, and College Students

Can hold up to 30 books, including textbooks up to 25 cm thick

Four-layer large capacity zipper compartments for scientific classification and organized storage

Ergonomic S-shaped shoulder straps conforming to back and neck curves for comfort and breathability

Wide shoulder straps with breathable elastic padding

3D honeycomb back pad for ventilation, pressure relief, and comfort during long wear

Reinforced stress points and stitching for durability under heavy load

Anti-theft back pocket for valuables

Adjustable chest buckle to stabilize the backpack

Thick elastic foam handle for comfortable carrying

Double zipper heads for easy and durable use

Low-profile camouflage pattern with clear texture lines and smooth contours

Water-repellent surface that quickly sheds water droplets and resists stains

Breathable fabric that blocks water penetration while allowing moisture vapor to escape

Oxford cloth material is durable and resistant to wear and tear

Due to manual measurement, a 0-3 cm size deviation is normal; actual product dimensions prevail

Designed specifically for growing students with scientific load distribution and large storage capacity